333 North Michigan | Chicago, IL

Corrosion of steel shelf angles and lintels within the walls of this Michigan Avenue treasure was stressing the limestone facades. Design Installation Systems
was asked to complete several façade restoration projects which included steel repair and replacement. Stone work included pinning limestone panels, repairing
spalled stones, and full stone replacements where panels could not be salvaged. The work also included parapet wall repairs and rebuilding. To help keep the walls
leak free tuck pointing, sealant repairs, and crack repairs were completed at selected areas on each elevation. DIS also completed a comprehensive cleaning program
to bring out the beauty of this landmarked high rise.